Will Two Do? Varying Dimensions in Electrocardiography: The PhysioNet/Computing in Cardiology Challenge 2021 1.0.3

File: <base>/training/ningbo/g10/JS20268.hea (764 bytes) 
JS20268 12 500 5000
JS20268.mat 16x1+24 1000.0(0)/mV 16 0 29 3791 0 I
JS20268.mat 16x1+24 1000.0(0)/mV 16 0 20 -15438 0 II
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JS20268.mat 16x1+24 1000.0(0)/mV 16 0 -24 11824 0 aVR
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JS20268.mat 16x1+24 1000.0(0)/mV 16 0 -68 -3902 0 V2
JS20268.mat 16x1+24 1000.0(0)/mV 16 0 -146 -2393 0 V3
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JS20268.mat 16x1+24 1000.0(0)/mV 16 0 293 -27185 0 V6
# Age: 75
# Sex: Male
# Dx: 426177001,164934002,39732003,284470004
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown